Computer History Museum - San Jose CA

[martin martin]

This weekend I visited the Computer History Museum in San Jose.  If you get the chance to go it's worth a full day.  While I was wanderer though the many halls I found this 1961 12 digit Nixie calculator!

  I took the best picture I could behind the glass..

Here's a link if you're near

https://www.computerhistory.org/

[Michail Wilson]

Supposed to be a .dat file?

 

Michail Wilson

206-920-6312

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[Mac Doktor]

On Jul 28, 2019, at 11:59 PM, Michail Wilson <M...@Michail.com> wrote:

Supposed to be a .dat file?

iPhone picture, probably HEIC. Here's a jpeg:

Terry Bowman, KA4HJH
"The Mac Doctor"

[J Forbes]

Interesting....I have a mechanical Comptometer (it's about 100 years old), it has a similar keyboard layout, and little wheels to display the numbers. Mine will add, and do one's compliment subtraction, but none of that silly multiply or divide stuff. Progress!

[Dekatron42]

Roland Huisman has restored an Anita Mk8 and shows it here, text in Dutch(?) though but Google Translate is your friend!

http://technischmuseum.nl/devices/Anita%20MK8/Anita%20MK8.html

/Martin

[Terry Kennedy]

On Sunday, July 28, 2019 at 10:45:39 PM UTC-4, martin martin wrote:

This weekend I visited the Computer History Museum in San Jose.  If you get the chance to go it's worth a full day.  While I was wanderer though the many halls I found this 1961 12 digit Nixie calculator!

A place where I worked years and years ago had Wang 360SE calculators for the engineers. A full system (as we had them) was a "logic unit" which was connected by cables to 4 "display units" and one card reader. Yes, this was a time-shared calculator! Printers, expanded memory, a CRT display (and probably others) were available as add-ons. The systems as we had them configured were around $10,000 (in 1969 dollars or around $70,000 today (according to usinflationcalculator.com). They were old when I was using them in the 70's, but even so... 

[Mac Doktor]

On Jul 29, 2019, at 10:36 AM, J Forbes <jfor...@gmail.com> wrote:

Interesting....I have a mechanical Comptometer (it's about 100 years old), it has a similar keyboard layout, and little wheels to display the numbers. Mine will add, and do one's compliment subtraction, but none of that silly multiply or divide stuff. Progress!

My late friend Brooke Boering was something of an expert on comptometers:

https://web.archive.org/web/20170325135139/http://www2.cruzio.com/~vagabond/ComptHome.html

Some video:

https://www.youtube.com/watch?v=aDDAbKURGZI

Terry Bowman, KA4HJH
"The Mac Doctor"

"I've seen things you people wouldn't believe: attack ships on fire off the shoulder of Orion... beams...in the dark in the Tannhauser Gate. All those moments will be lost in time...like tears in the rain." — Roy Batty, Blade Runner

[alb.001 alb.001]

I bought a Ontario government surplus Wang calculator system which had a keyboard with nixie display of results, the logic unit with core plane memory in a small suitcase which went underneath the desk and a large printer which used aluminized paper and "printed" using spark erosion on the aluminized paper to give blackened numbers.  It was programmable and when running a long program you could turn the power off then later when you turned it on again, it continued the program-- a red light on the keyboard showed that it was in the middle of a program all thanks to the core plane memory which is non volatile without electrical pulses to modify the magnetic field orientation of the cores.

Phil B.

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